added functions/requests for changing icon

src/lib.rs

@@ -98,6 +98,8 @@ fn native_display() -> &'static Mutex<native::NativeDisplayData> {
 /// Window and associated to window rendering context related functions.
 /// in macroquad <= 0.3, it was ctx.screen_size(). Now it is window::screen_size()
 pub mod window {
+    use conf::Icon;
+
     use super::*;
 
     /// The same as
@@ -251,6 +253,13 @@ pub mod window {
             .unwrap();
     }
 
+    pub fn set_window_icon(new_icon: Icon) {
+        let d = native_display().lock().unwrap();
+        d.native_requests
+            .send(native::Request::SetWindowIcon { new_icon })
+            .unwrap();
+    }
+
     /// Get the position of the window.
     /// TODO: implement for other platforms
     #[cfg(any(target_os = "windows", target_os = "linux"))]

src/native.rs

@@ -69,6 +69,7 @@ pub(crate) enum Request {
     SetMouseCursor(crate::CursorIcon),
     SetWindowSize { new_width: u32, new_height: u32 },
     SetWindowPosition { new_x: u32, new_y: u32 },
+    SetWindowIcon {new_icon: Icon},
     SetFullscreen(bool),
     ShowKeyboard(bool),
 }
@@ -118,4 +119,6 @@ pub mod gl;
 #[cfg(target_arch = "wasm32")]
 pub use wasm::webgl as gl;
 
+use crate::conf::Icon;
+
 pub mod query_stab;

src/native/macos.rs

@@ -204,6 +204,7 @@ impl MacosDisplay {
             SetWindowPosition { .. } => {
                 eprintln!("Not implemented for macos");
             }
+            SetWindowIcon {new_icon} => self.set_icon(new_icon),
             _ => {}
         }
     }